An apparent suicide bombing has killed at least 40 people and injured some 170 on a crowded commuter train in southern Russia, close to the Chechen region. The blast struck the train just outside the spa town of Yessentuki during the morning rush hour and many of the victims are said to be young students. A Russian minister said the attack bore the hallmarks of Chechen rebels. President Vladimir Putin described it as a bid to destabilise the country days before its parliamentary election. Full Story